Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 31, 2011 Internal Revenue Service (IRS)
Income Taxes [Line Items]
Tax carryback claim related to the accounting method change	$ 14
IRS royalty assessment relating to foreign operations		12.4
IRS royalty assessment relating to foreign operations, tax effected		$ 4.3

The estimated range of reasonably possible losses resulting from an adverse position taken by a taxing authority.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 14

-Paragraph 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (d)(3)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Name:	us-gaap_IncomeTaxExaminationRangeOfPossibleLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant